<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>js运算符（只演示特殊的）</title>
</head>
<body>
    <script>
        // == 与 ===
        var a = 1;
        var b = '1';
        var c = true;
        console.log(a == b);
        console.log(b == c);
        console.log(a === b);
        console.log(b === c);
        
    </script>
</body>
</html>